Which theory of aging states that unstable oxygen molecules tend to steal electrons as they bounce around, thus causing damage to surrounding cells?
a. cellular-clock theory
b. wear-and-tear theory
c. free-radical theory
d. activity theory
c
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What can we conclude about the studies on altruism, nurturance, and empathy?
a. Women tend to show more of these caring kinds of behaviors than men do. b. During childhood, females show more of these caring kinds of behavior; during adulthood, males show more of this behavior. c. Considering all the studies together, there are no major overall gender differences. d. Men tend to show more of these caring kinds of behaviors than women do.
Herpes is a ____ infection
a. bacterial c. fungal b. viral d. parasitic
For Puritans in the New World, which statement appears to reflect their views about infants?
a. "They are innocent lambs, incapable of doing wrong." b. "They may not survive, so we should not become emotionally attached to them. c. "Give them love – it is not possible to spoil them with affection." d. "They are innocent vipers, ignorant but inherently sinful."
A toddler version of the Where's Waldo books provides a picture on one two-page spread of 6 hats and directs the child to find the red one. On the next two-page spread, the child must find the red hat from among 25 hats
A 3-year-old is able to find the red hat in less than 2 seconds on either page spread. This is an example of which of the following? a) Pop-out effec b) Spotlight attention c) Location-finding d) Implicit memory